As increased use of technology and empirical science spreads throughout the global community, the use of data and graphs to communicate information increases also. This digest offers resources for teaching and learning about probability and statistics. It begins with key issues and continues with recommendations to overcome the difficulties in the…

Advances in computer technology are making it possible for educational researchers to use simpler statistical methods to address a wide range of questions with smaller data sets and fewer, and less restrictive, assumptions. This digest introduces computationally intensive statistics, collectively called resampling techniques. Resampling is a…

Too few researchers understand what statistical significance testing does and does not do, and consequently their results are misinterpreted. This Digest explains the concept of statistical significance testing and discusses the meaning of probabilities, the concept of statistical significance, arguments against significance testing,…